Step 11: Slider

Step 12: Finish

Use hot melt glue to attach the switches to the sliding mechanism. Put everything inside the box. Only the battery and speaker are attached, other thi...

Step 11: Slider

The slide mechanism is what allows the box to go up and down.
It has to be firmly secured to the wall. It will also be the support for the timer switch and play switch.
The next pictures will show you how to do it.